Give bacteria a bit of self-awareness and they can be smarter about producing biofuel. That's the conclusion from researchers at the University of California, Berkeley who report a genetic sensor that enables bacteria to adjust their gene expressi...

This post originally appeared on the American Express OPEN Forum, where Mashable regularly contributes articles about leveraging social media and technology in small business. Sperm bikes, electric cars and biodiesels, oh my! Converting your company'...

In a move that is sure to confound the cross section of vegetarian and vegan environmentalists, Amtrak has begun running its first U.S. biodiesel commuter train. The Heartland Flyer, whose biofuel is derived from beef byproducts, will connect travele...

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